Amazon Data Scientist interview questions

Behavioral Questions: Tell me about a time when... - ... you went above and beyond for a customer. - ... you saw an issue that your team could face and *proactively* took action to mitigate it. - ... you had to meet a tight deadline. - ... you realized you did not have the skills needed to do the job. - ... solved a complex problem in a simple way. Technical Questions - Tell me about a project you worked on and explain it to me in detail (technical work such as ML project, simulation project, etc) - Say you want to predict how many units of an item you want to stock in a grocery store each day for the next week. How would you go about doing that? - A/B testing of green vs yellow color for the buy button. How would you design this experiment? - What is random about a random forest? - How would you assess a model's performance on a dataset with unbalanced target classes?

What is the meaning of P value? How would you interpret it?